﻿/*
 * Copyright (c) 2015-2016 Constantijn Evenhuis (blueprints@const.nl)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
using Blueprints.Resolution;
using System;
using System.Collections.Generic;

namespace Blueprints.Defaults
{
    internal sealed class PropertyBucketObjectDescriptor : IObjectDescriptor
    {
        private readonly IObjectDescriptor descriptor;

        public PropertyBucketObjectDescriptor(Type type, ITypeResolver typeResolver)
        {
            Type = type;
            this.descriptor = typeResolver.GetObjectDescriptor(type.GenericTypeArguments[0]);
            RequiredProperties = new IPropertyDescriptor[0];
            List<IPropertyDescriptor> properties = new List<IPropertyDescriptor>(descriptor.RequiredProperties.Count + descriptor.OptionalProperties.Count);
            properties.AddRange(descriptor.RequiredProperties);
            properties.AddRange(descriptor.OptionalProperties);

            List<IPropertyDescriptor> bucketProperties = new List<IPropertyDescriptor>(properties.Count);
            foreach (IPropertyDescriptor property in properties)
            {
                bucketProperties.Add(new PropertyBucketPropertyDescriptor(property));
            }

            OptionalProperties = bucketProperties;
        }

        public IReadOnlyList<IPropertyDescriptor> RequiredProperties
        {
            get;
            private set;
        }

        public IReadOnlyList<IPropertyDescriptor> OptionalProperties
        {
            get;
            private set;
        }

        public Type Type
        {
            get;
            private set;
        }

        public object CreateInstance(object[] parameters)
        {
            return Activator.CreateInstance(Type, new object[] { descriptor });
        }
    }
}
